Rank	Countries/Territories	Count	Percent
1	United States	487	37.8%
2	China	477	37%
3	Germany	90	7%
4	Singapore	44	3.4%
5	Netherlands	36	2.8%
6	France	36	2.8%
7	United Kingdom	18	1.4%
8	Australia	15	1.2%
9	Russia	15	1.2%
10	Canada	9	0.7%
11	Cyprus	8	0.6%
12	Japan	5	0.4%
13	Korea, Republic of	5	0.4%
14	Mexico	4	0.3%
15	Sweden	4	0.3%
16	Spain	3	0.2%
17	Ireland	3	0.2%
18	Denmark	3	0.2%
19	Argentina	3	0.2%
20	Bangladesh	2	0.2%
21	Belgium	2	0.2%
22	India	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Latvia	2	0.2%
25	Ukraine	2	0.2%
26	Mongolia	2	0.2%
27	Saudi Arabia	2	0.2%
28	Norway	1	0.1%
29	Poland	1	0.1%
30	Portugal	1	0.1%
31	South Africa	1	0.1%
32	Switzerland	1	0.1%
33	Taiwan	1	0.1%
34	Turkey	1	0.1%
35	Malaysia	1	0.1%
36	Hong Kong	1	0.1%